| radius to corner |OP| | |
| angle of OP to horizontal | |
| vertical size of face |OU| | |
| eccentricity of upper face | |
| width of lower face | |
| length of nose | |
| vertical position of mouth | |
| curvature of mouth | |
| width of mough | |
| vertical position of eyes | |
| separation of eyes | |
| slant of eyes | |
| eccentricity of eyes | |
| size of eyes | |
| position of pupils | |
| vertical position of eyebrows | |
| slant of eyebrows | |
| size of eyebrows | |
| Random |